Pingdom web site monitoring and other infrastructure for you and instantly let you know when anything goes wrong. Measure uptime, downtime, and the performance of your website as experienced by visitors.




Request Metrics is described as 'Unified Web Performance that automatically tests your pages and tracks real user experiences. Automatically discovers your busiest pages and scans them weekly, providing actionable recommendations. Integrated Real User Monitoring to track the actual experience of visitors to' and is a website monitoring tool in the development category. There are more than 25 alternatives to Request Metrics for a variety of platforms, including Web-based, SaaS, Self-Hosted, Google Chrome and Mac apps. The best Request Metrics alternative is Pingdom. It's not free, so if you're looking for a free alternative, you could try Google Lighthouse or GTmetrix. Other great apps like Request Metrics are Screaming Frog SEO Spider, PageSpeed Insights, WebPageTest and PageVitals.
Pingdom web site monitoring and other infrastructure for you and instantly let you know when anything goes wrong. Measure uptime, downtime, and the performance of your website as experienced by visitors.




Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication. It has audits for performance, accessibility, progressive web apps, SEO and more.




The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links, images, CSS, script and apps from an SEO perspective.

GTmetrix is a free tool that analyzes your page's speed performance. Using Page Speed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.


PageSpeed Insights (PSI) reports on the performance of a page on both mobile and desktop devices, and provides suggestions on how that page may be improved.

Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations.

Super easy website performance monitoring for teams that want to have a faster, better ranking website. Get notified if your website gets slow. Most affordable Lighthouse, CrUX and RUM tool.




Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring.

Monitor your website, server, API, application, service and get notified if your resources have some problems with availability. Upzilla notifies you in Slack, Telegram, Messenger, or by email. Works also as a public status page with subscriptions.







Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.
